The more accessible of these regions is a 50–60 kilometre stretch of coastline centred on the Port Stephens area where sharks occupy habitat from the shore to approximately 120 metres depth. A hooked juvenile white shark breaching while being led away from the surf zone for tagging off Bennetts Beach in 2011.Credit:CSIRO. A playground for rare great white shark pups offers a chance for scientists to observe this elusive Australian icon. A crocodile expert explains, Scientists discover mass extinction event that heralded dawn of the dinosaurs, Lines of defence: all-Aussie team builds high-tech device to keep our bees safe, Australian Geographic Society Expeditions, Australian Geographic Nature Photographer of the Year competition, Environmentalists, Conservationists and Scientists. This year CSIRO, in collaboration with the University of Technology, Sydney, began annual helicopter surveys of the nursery to estimate how many sharks go there. We'll need to know what you want to contact us about so we can give you an answer. A Increase font size. ''The project will advance efforts to halt the decline of marine biodiversity through supporting the recovery of a threatened species, the [great] white shark.''. PLUS receive two gifts. The CSIRO said a new project this year would develop techniques for ''a population assessment'' for great white sharks. The sharks were usually 1.8 to 2.6 metres in length. ''This study provides further confirmation the Port Stephens region is a key nursery area for juvenile white sharks in eastern Australia,'' the report said. Up to 250 juvenile great white sharks are living off the NSW coast and spending a lot of time off beaches in depths of one to five metres, CSIRO research has found. This information, combined with estimates of adult numbers from the genetic data, have contributed to Australia's first white shark population estimates and models that use measured data to asses population status, rather than information that is assumed or best-guessed. By using DNA sampling from juvenile sharks, we can also estimate adult white shark numbers. A CSIRO statement said the ''frequency of encounters between people and sharks can be high'' in the area, but the frequency of attacks was ''very low''. A great white shark swims close to the shore north of Stockton Beach in Newcastle recently. ... the [great] white shark.'' “It’s just that the sharks are better fishers than most of us.”. “Port Stephens is a great place to fish,” says Barry. Areas close to favoured sites and common corridors of travel are li… In the 2012-2013 season, about 250 juvenile white sharks may have been present in the nursery area on survey days with peak abundance in October-November, as previously observed for the region.

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